As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAVATORY GALLEY FANS EICAS STATUS MESSAGE DISPLAYED. BOTH LAVATORY GALLEY VENT FANS FAILED OR INTERFACE FAIL, AFTER TOP OF CLIMB F340. REPLACED RELAY R8671 IAW SSM 21-26-01 PAGE 103.1. OPERATIONS CHECKED SYSTEM IAW AMM 21-26-00-501, ALL OPERATIONS NORMAL, NO CMC OR STATUS MESSAGES.